Does a bad alternator make a sound?
Does a bad alternator make a sound? Whining and Grinding Sounds If your alternator is failing, you could hear a few abnormal noises. If you hear a small rattling or grinding sound when your engine is running, this could be caused by a loose bearing in your alternator. Is it normal for the battery light to come on then turn off? Yes! It's perfectly normal for your car's battery light to come on then turn off after you start it. Thanks! What do I do if my car is saying it has a low battery? You may need to replace...